CN203610829U - Submerged-arc welding pipe welding line form and performance improving device - Google Patents
Submerged-arc welding pipe welding line form and performance improving device Download PDFInfo
- Publication number
- CN203610829U CN203610829U CN201320731895.7U CN201320731895U CN203610829U CN 203610829 U CN203610829 U CN 203610829U CN 201320731895 U CN201320731895 U CN 201320731895U CN 203610829 U CN203610829 U CN 203610829U
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- roller
- welding line
- submerged
- turning rolls
- weld seam
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Abstract
The utility model discloses a submerged-arc welding pipe welding line form and performance improving device, and belongs to the welding line improvement field. the device comprises a rack, a horizontal adjusting rack stretching downwards from the rack, and a roller carrier hinged to the lower end of the horizontal adjusting rack, wherein a roller is disposed on the lower end of the roller carrier and at one side of the horizontal adjusting rack, the roller carrier is provided with a force applying member for driving the roller carrier to rotate around the hinged point to the horizontal adjusting rack and for pressing the roller downwards, and a shaping groove is disposed on the excircular face of the roller. When the device is being used, the force applying member drives the roller carrier to rotate around the hinged point to the horizontal adjusting rack, simultaneously presses the roller towards a position behind a welding line molten pool, and applies forces to the welding line which is still at the liquid state, so as to generate a liquid-state forging and pressing effect, thereby enabling plastic deformation to happen to the liquid-state welding line, enabling the welding line to be uniform and intense, and eliminating welding line defects; the shape of the welding line is controlled through the shaping groove disposed on the excircular face of the roller, and the welding line polishing amount is reduced; and the device can be used for conveniently adjusting the horizontal position of the roller and the size of the pressing force, so as to improve the form and performance of the welding line.
Description
Technical field
The utility model improves field for weld seam, particularly relates to a kind of submerged-arc welded (SAW) pipe weld seam form and performance improvement device.
Background technology
Two critical processes of submerged-arc welded (SAW) pipe are moulding and welding, and there are material impact in serviceability and the life-span of the quality Welded Pipe of submerged arc welding.
The welding process of submerged-arc welding is subject to various factors, sometimes inevitably produce open defect and the internal flaw of welding, common open defect face of weld owes smooth, weld reinforcement is too high, molten wide narrow the differing of weld seam, undercut etc., and internal flaw has slag inclusion, pore, crackle etc., particularly heavy wall submerged-arc welded (SAW) pipe.User comparatively pays close attention to weld seam form and the Weld Performance of submerged-arc welded (SAW) pipe, particularly needs to carry out antiseptic welded tube, usually need to expend a large amount of time and labour cost to submerged arc weld polishing finishing, and polishing working condition is also very severe.
Common method is by adjusting welding condition at present, adjust welding condition butt welded seam moulding and performance and have remarkable impact, but be often difficult to select suitable welding condition, between the technological parameters such as welding current, weldingvoltage, speed of welding and weld seam form, be nonlinearity relation, be difficult to obtain comparatively ideal weld seam form by adjusting welding condition.
Utility model content
For addressing the above problem, the utility model provides a kind of and can exert pressure to the weld seam in liquid phase, and improves according to this weld seam form of submerged-arc welded (SAW) pipe and the device of performance.
The utility model solves the technical scheme that its technical problem adopts: a kind of submerged-arc welded (SAW) pipe weld seam form and performance improvement device, the horizontal adjustment frame that comprises frame, stretched out by frame downwards and the turning rolls hinged with the lower end of horizontal adjustment frame, the lower end of turning rolls is provided with roller in a side of horizontal adjustment frame, turning rolls is provided with driving rolls frame around rotating also the force-applying piece of pressing roller downwards with the pin joint of horizontal adjustment frame, and the periphery of roller is provided with shaping groove.
Be further used as the improvement of technical solutions of the utility model, horizontal adjustment frame comprises two parallel gripper shoes that arrange, and the lower end of horizontal adjustment frame is provided with the bearing pin hinged with the rear end of turning rolls.
Be further used as the improvement of technical solutions of the utility model, force-applying piece comprises and is located at two hydraulic cylinders between gripper shoe, and the lower upper two ends of hydraulic cylinder are hinged with upper end and the frame of turning rolls respectively.
Be further used as the improvement of technical solutions of the utility model, turning rolls comprises two parallel set squares that are located at hydraulic cylinder both sides, the roller shaft that is provided with hydraulic cylinder bearing pin, fastening bolt and the support roller hinged with hydraulic cylinder through two set squares is provided with stop sleeve on fastening bolt between two set squares.
Be further used as the improvement of technical solutions of the utility model, between roller shaft and set square, be provided with copper sheathing.
The beneficial effects of the utility model: this submerged-arc welded (SAW) pipe weld seam form and performance improvement device are in use, force-applying piece driving rolls frame is around rotating with the pin joint of horizontal adjustment frame, drive roller to press to a place behind weld seam molten bath simultaneously, the weld seam in liquid phase is still exerted pressure, produce liquid forging and stamping effect, make liquid weld seam generation plastic deformation, make even weld densification, eliminate weld defect, simultaneously by the shape of the shaping groove control weld seam on roller periphery, reduce weld grinding amount, the utility model compact conformation, rationally, can conveniently adjust the size of horizontal level and the pressure of roller, improve weld seam form and the performance of submerged-arc welded (SAW) pipe.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is the utility model example structure front view;
Fig. 2 is the utility model example structure side view.
The specific embodiment
With reference to Fig. 1, Fig. 2, the utility model provides a kind of submerged-arc welded (SAW) pipe weld seam form and performance improvement device, the horizontal adjustment frame 2 that comprises frame 1, stretched out by frame 1 downwards and the turning rolls 3 hinged with the lower end of horizontal adjustment frame 2, the lower end of turning rolls 3 is provided with roller 4 in a side of horizontal adjustment frame 2, turning rolls 3 is provided with driving rolls frame 3 around rotating also the force-applying piece of pressing roller 4 downwards with the pin joint of horizontal adjustment frame 2, and the periphery of roller 4 is provided with along circumferential shaping groove 41.
This submerged-arc welded (SAW) pipe weld seam form and performance improvement device are in use, force-applying piece driving rolls frame 3 is around rotating with the pin joint of horizontal adjustment frame 2, drive roller 4 to press to a place behind weld seam molten bath simultaneously, the weld seam in liquid phase is still exerted pressure, produce liquid forging and stamping effect, make liquid weld seam generation plastic deformation, make even weld densification, eliminate weld defect, control the shape of weld seam by the shaping groove 41 on roller 4 peripheries simultaneously, reduce weld grinding amount, the utility model compact conformation, rationally, can conveniently adjust the size of horizontal level and the pressure of roller, improve weld seam form and the performance of submerged-arc welded (SAW) pipe.
As the utility model preferred embodiment, horizontal adjustment frame 2 comprises two parallel gripper shoes 21 that arrange, and the lower end of horizontal adjustment frame 2 is provided with the bearing pin 22 hinged with the rear end of turning rolls 3.Force-applying piece comprises the hydraulic cylinder 5 that is located at 21 of two gripper shoes, and the lower upper two ends of hydraulic cylinder 5 are hinged with upper end and the frame 1 of turning rolls 3 respectively.In frame 1, be provided with the ear seat 23 hinged with the cylinder body of hydraulic cylinder 5 at the rear side of horizontal adjustment frame 2, horizontal adjustment frame 2 is installed in frame 1, can drive roller 4, turning rolls 3 and hydraulic cylinder 5 to move horizontally, and can fix by lock-screw.Turning rolls 3 is connected by bearing pin 22 with horizontal adjustment frame 2, and roller 4 one sides of turning rolls 3 are connected with the extension bar of hydraulic cylinder 5.The operation principle of the present embodiment is: when needs by roller 4 in the time that liquid or semi-solid weld seam roll the application of force, roller 4 is placed in to weld seam top, hydraulic cylinder 5 extends, driving rolls frame 3, around rotating counterclockwise with the pin joint of horizontal adjustment frame 2, so makes roller 4 move downward compacting weld seam.
As the utility model preferred embodiment, turning rolls 3 comprises two parallel set squares that are located at hydraulic cylinder 5 both sides, the roller shaft 33 that is provided with the hydraulic cylinder bearing pin 31 hinged with hydraulic cylinder 5, fastening bolt 32 and support roller 4 through two set squares is provided with stop sleeve 34 between two set squares on fastening bolt 32.Roller shaft 33 is through roller 4, and roller shaft 33 both sides put copper sheathing 35 and are installed on turning rolls 3, its objective is the frictional force in order to reduce roller shaft 33 and turning rolls 3.In order to strengthen the framework rigidity of turning rolls 3, adopt fastening bolt 32, stop sleeve 34 and nut 36 to strain turning rolls 3 both sides, form stable rigid structure.
Certainly, the invention is not limited to above-mentioned embodiment, those of ordinary skill in the art also can make equivalent variations or replacement under the prerequisite without prejudice to the utility model spirit, and the modification that these are equal to or replacement are all included in the application's claim limited range.
Claims (5)
1. a submerged-arc welded (SAW) pipe weld seam form and performance improvement device, it is characterized in that: the horizontal adjustment frame that comprise frame, is stretched out by described frame downwards and the turning rolls hinged with the lower end of described horizontal adjustment frame, the lower end of described turning rolls is provided with roller in a side of horizontal adjustment frame, described turning rolls is provided with and drives described turning rolls around rotating with the pin joint of horizontal adjustment frame the force-applying piece of also pressing described roller downwards, and the periphery of described roller is provided with shaping groove.
2. submerged-arc welded (SAW) pipe weld seam form according to claim 1 and performance improvement device, is characterized in that: described horizontal adjustment frame comprises two parallel gripper shoes that arrange, and the lower end of described horizontal adjustment frame is provided with the bearing pin hinged with the rear end of turning rolls.
3. submerged-arc welded (SAW) pipe weld seam form according to claim 2 and performance improvement device, is characterized in that: described force-applying piece comprises and be located at two hydraulic cylinders between gripper shoe, and the lower upper two ends of described hydraulic cylinder are hinged with upper end and the frame of described turning rolls respectively.
4. submerged-arc welded (SAW) pipe weld seam form according to claim 3 and performance improvement device, it is characterized in that: described turning rolls comprises two parallel set squares that are located at described hydraulic cylinder both sides, the roller shaft that is provided with the hydraulic cylinder bearing pin hinged with hydraulic cylinder, fastening bolt and the described roller of support through set square described in two is provided with stop sleeve on described fastening bolt between two set squares.
5. submerged-arc welded (SAW) pipe weld seam form according to claim 4 and performance improvement device, is characterized in that: between described roller shaft and set square, be provided with copper sheathing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320731895.7U CN203610829U (en) | 2013-11-18 | 2013-11-18 | Submerged-arc welding pipe welding line form and performance improving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320731895.7U CN203610829U (en) | 2013-11-18 | 2013-11-18 | Submerged-arc welding pipe welding line form and performance improving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203610829U true CN203610829U (en) | 2014-05-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320731895.7U Expired - Fee Related CN203610829U (en) | 2013-11-18 | 2013-11-18 | Submerged-arc welding pipe welding line form and performance improving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203610829U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113042946A (en) * | 2021-04-07 | 2021-06-29 | 刘大宇 | Pipeline welding device capable of reducing influence of gravity on welding seam |
-
2013
- 2013-11-18 CN CN201320731895.7U patent/CN203610829U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113042946A (en) * | 2021-04-07 | 2021-06-29 | 刘大宇 | Pipeline welding device capable of reducing influence of gravity on welding seam |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140528 Termination date: 20171118 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |